DAS MACHST DU BEI UNSOwn and evolve our data warehouse stack (Matillion, Redshift, Tableau), ensuring reliability, performance, and long-term scalabilityDesign and maintain sustainable business data models that serve as the single source of truth for reporting and analyticsDevelop and optimize complex SQL transformations and ETL pipelines using Matillion to support business-critical use casesManage master data processes to ensure accurate consolidation and consistency across all connected systemsTranslate business requirements into well-structured, documented data models - challenging assumptions where neededCollaborate closely with BI and analytics consumers to ensure data is accessible, understandable, and fit for purposeShare knowledge through documentation, internal presentations, and active cross-functional collaboration DAS BRINGST DU MIT3+ years of experience in data warehouse development and data modeling, ideally with Redshift and MatillionAdvanced SQL skills with a strong focus on query performance, scalability, and maintainable transformation logicSolid experience designing dimensional or relational business data models for analytical use casesWorking knowledge of AWS services relevant to the warehouse layer, particularly S3, Redshift, and LambdaFamiliarity with BI tools — preferably Tableau — with a good eye for how model design impacts end-user experienceExperience with master data management and cross-system data consolidationStrong business acumen combined with structured analytical thinking — you ask the right questions and bridge the gap between stakeholders and dataPython skills and experience with Infrastructure as Code and Ansible are a plusFluent in English, German is a plus DAS BEKOMMST DUA senior role with real ownership in a lean team of four: your data models shape how the whole company uses dataFlat hierarchy, collaboration at eye level, and the freedom to bring your own ideas and challenge the status quoHybrid work model with flexibility to work remotely and from our modern offices in Zurich or GenevaAn international company that sees diversity as a strength, with cross-functional teams and a genuine commitment to inclusionSalary between CHF 130'000 and 150'000 gross per year, depending on experience BENEFITSGifts for special occasionsHybrid WorkLearning & DevelopmentPublic transport discountsLanguage classesWorkation